參數(shù)資料
型號(hào): X9279
廠商: Intersil Corporation
英文描述: Single Supply/Low Power/256-Tap/2-Wire Bus
中文描述: 單電源/低Power/256-Tap/2-Wire巴士
文件頁(yè)數(shù): 16/24頁(yè)
文件大小: 398K
代理商: X9279
X9279
Characteristics subject to change without notice.
16 of 24
REV 1.1.7 2/6/03
www.xicor.com
EQUIVALENT A.C. LOAD CIRCUIT
AC TIMING
HIGH-VOLTAGE WRITE CYCLE TIMING
Symbol
f
SCL
t
CYC
t
HIGH
t
LOW
t
SU:STA
t
HD:STA
t
SU:STO
t
SU:DAT
t
HD:DAT
t
R
t
F
t
AA
t
DH
T
I
t
BUF
t
SU:WPA
t
HD:WPA
Parameter
Min.
Max.
400
Units
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μ
s
ns
ns
ns
ns
ns
Clock Frequency
Clock Cycle Time
Clock High Time
Clock Low Time
Start Setup Time
Start Hold Time
Stop Setup Time
SDA Data Input Setup Time
SDA Data Input Hold Time
SCL and SDA Rise Time
SCL and SDA Fall Time
SCL Low to SDA Data Output Valid Time
SDA Data Output Hold Time
Noise Suppression Time Constant at SCL and SDA inputs
Bus Free Time (Prior to Any Transmission)
A0, A1 Setup Time
A0, A1 Hold Time
2500
600
1300
600
600
600
100
30
300
300
0.9
0
50
1200
0
0
Symbol
t
WR
Parameter
Typ.
5
Max.
10
Units
ms
High-voltage write cycle time (store instructions)
5V
1533
100pF
SDA pin
R
H
10pF
C
L
C
L
10pF
R
W
R
TOTAL
C
W
25pF
R
L
SPICE Macromodel
3V
867
100pF
SDA pin
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